CN211261794U - High-efficient collecting system of blast furnace slag flushing steam - Google Patents
High-efficient collecting system of blast furnace slag flushing steam Download PDFInfo
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- CN211261794U CN211261794U CN201922204540.2U CN201922204540U CN211261794U CN 211261794 U CN211261794 U CN 211261794U CN 201922204540 U CN201922204540 U CN 201922204540U CN 211261794 U CN211261794 U CN 211261794U
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Abstract
The utility model discloses a high-efficiency collecting system for blast furnace slag flushing steam, which comprises a slag water lifting pump, a flash steam tank, a steam collecting tank, a water storage collecting tank and a steam reheating device; one side of the slag water lifting pump is connected with a slag water inlet pipe, the other side of the slag water lifting pump is communicated with one side of the flash steam tank through a first pipeline, the upper end of the flash steam tank is communicated with one side of the steam collecting tank through an air duct, the lower end of the flash steam tank is communicated with one side of the water storage collecting tank through a guide pipe, and the steam collecting tank is communicated with one side of the steam reheating device through a second pipeline; a steam collecting cover is arranged at the top of the inner surface of the flash steam tank and is communicated with the steam collecting box through a gas guide pipe; the novel slag flushing device can collect steam generated in the slag flushing process; in addition on the one hand, still adopt solar heating device to carry out the secondary heating to steam in this is novel, improve steam vaporization degree, need not to intervene other energy resource consumptions, when improving heat utilization, reduce steam treatment cost.
Description
Technical Field
The utility model belongs to the technical field of the collecting system, concretely relates to high-efficient collecting system of blast furnace slag flushing steam.
Background
In the iron-making process of a steel plant, the temperature of generated slag is about 1500 ℃, high-speed water flow provided by a slag flushing water pump can generate a large amount of water vapor in instant contact with high-temperature slag, in the existing water slag production process, the steam is generally directly discharged, the slag flushing water vapor has abundant waste heat resources, the direct discharge not only loses valuable water resources, but also wastes a large amount of heat and generates a large amount of white fog, and the environment is polluted because the water vapor contains a large amount of H2S, S02, HCl and other acidic substances.
Water is traditionally utilized to spray water vapor, the vapor is condensed, and the recovered condensed water is recycled, but the method has high water consumption, and a large amount of waste heat resources in the vapor are still not recycled.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a high-efficiency collecting system for blast furnace slag flushing steam, which can collect the steam generated in the slag flushing process by utilizing a flash steam tank, a heating device and a steam heat accumulator, thereby saving water and simplifying the treatment; in addition on the one hand, still adopt solar heating device to carry out the secondary heating to steam in this is novel, improve the vaporization degree of steam, need not to intervene other energy resource consumptions moreover, when improving heat utilization rate, reduce steam treatment cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-efficiency collecting system for blast furnace slag flushing steam comprises a slag water lifting pump, a flash steam tank, a steam collecting tank, a water storage collecting tank and a steam reheating device; one side of the slag water lifting pump is connected with a slag water inlet pipe, the other side of the slag water lifting pump is communicated with one side of a flash steam tank through a first pipeline, the other side of the flash steam tank is provided with a steam collecting tank and a water storage collecting tank, the upper end of the flash steam tank is communicated with one side of the steam collecting tank through an air guide pipe, the lower end of the flash steam tank is communicated with one side of the water storage collecting tank through a guide pipe, a steam reheating device is arranged on the other side of the steam collecting tank, and the steam collecting tank is communicated with one side of the steam reheating device through a second pipeline; the flash steam tank is characterized in that at least four supporting seats are uniformly distributed on the lower surface of the flash steam tank, a steam collecting cover is arranged at the top of the inner surface of the flash steam tank, an air draft device is arranged on the steam collecting cover, and the steam collecting cover is communicated with a steam collecting box through an air guide pipe.
Further, an exhaust fan is arranged on the air duct.
Furthermore, a water suction pump is arranged on the flow guide pipe.
Furthermore, the steam reheating device comprises a solar panel and a steam-liquid heat exchanger, the solar panel provides heat for the liquid working medium in the steam-liquid heat exchanger, the steam-liquid heat exchanger is located in the closed shell, and steam is introduced into the closed shell to exchange heat with the steam-liquid heat exchanger so as to carry out secondary heating on the steam.
Furthermore, the outlet end of the steam reheating device is connected with a steam heat accumulator, and a water temperature and water level sensor is arranged in the steam heat accumulator.
Furthermore, slag flushing water circulation water tank is further arranged on one side of the flash steam tank, one side of the slag flushing water circulation water tank is communicated with the bottom of the flash steam tank through a third pipeline, the other side of the slag flushing water circulation water tank is communicated with one side of the flash steam tank through a fourth pipeline, and the slag flushing water circulation water tank and the flash steam tank form circulation communication through the third pipeline and the fourth pipeline.
Furthermore, slag flushing water pumps are arranged on the third pipeline and the fourth pipeline.
Furthermore, one side of the steam heat accumulator is communicated with the slag flushing water circulating water pool through a fifth pipeline.
Furthermore, an electromagnetic valve is further arranged on the fifth pipeline.
Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that:
a high-efficient collection system of blast furnace slag flushing steam, this novel steam through utilizing flashing steam pot, heating device, steam heat accumulator, can collect the steam produced from the course of flushing the slag, save water, simplify and process; in addition on the one hand, still adopt solar heating device to carry out the secondary heating to steam in this is novel, improve the vaporization degree of steam, need not to intervene other energy resource consumptions moreover, when improving heat utilization rate, reduce steam treatment cost.
Drawings
FIG. 1 is a schematic structural diagram of a high-efficiency collecting system for blast furnace slag flushing steam in the utility model.
Detailed Description
For making the utility model discloses the technological means, creation characteristic, achievement purpose and efficiency that realize are easily understood and are known, combine specific implementation below, further explain the utility model discloses:
therefore, the following detailed description of the embodiments of the present invention, which is provided in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention, and all other embodiments that can be obtained by one of ordinary skill in the art without any inventive effort based on the embodiments of the present invention are within the scope of the invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be connected through an intermediate medium.
In conjunction with FIG. 1: a high-efficiency collecting system for blast furnace slag flushing steam comprises a slag water lifting pump 1, a flash steam tank 2, a steam collecting box 3, a water storage collecting tank 4 and a steam reheating device 5; one side of the slag water lifting pump 1 is connected with a slag water inlet pipe 11, the other side of the slag water lifting pump 1 is communicated with one side of a flash steam tank 2 through a first pipeline 12, the other side of the flash steam tank 2 is provided with a steam collecting tank 3 and a water storage collecting tank 4, the upper end of the flash steam tank 2 is communicated with one side of the steam collecting tank 3 through an air duct 13, the lower end of the flash steam tank 2 is communicated with one side of the water storage collecting tank 4 through a guide pipe 14, the steam reheating device 5 is arranged on the other side of the steam collecting tank 3, and the steam collecting tank 3 is communicated with one side of the steam reheating device 5 through a second pipeline 15; dodge 2 lower surface equipartitions of steam drum and have four at least supporting seats 16, 2 internal surface tops of dodging the steam drum are provided with steam and collect cover 17, steam is collected and is provided with updraft ventilator 18 on the cover 17, steam is collected cover 17 and is passed through air duct 13 and steam collecting box 3 intercommunication each other.
Wherein, an exhaust fan 19 is arranged on the air duct 13.
Meanwhile, a water suction pump 20 is arranged on the draft tube 14.
Preferably, the steam reheating device 5 includes a solar panel 51 and a steam-liquid heat exchanger 52, the solar panel 51 provides heat for the liquid working medium in the steam-liquid heat exchanger 52, the steam-liquid heat exchanger 52 is located in the closed housing, and the steam is introduced into the closed housing to exchange heat with the steam-liquid heat exchanger 52 to perform secondary heating on the steam.
In addition, the outlet end of the steam reheating device 5 is connected with a steam heat accumulator 6, and a water temperature and water level sensor 61 is arranged in the steam heat accumulator 6.
It is worth noting that slag flushing water circulating water tank 21 is further arranged on one side of the flash steam tank 2, one side of the slag flushing water circulating water tank 21 is communicated with the bottom of the flash steam tank 2 through a third pipeline 22, the other side of the slag flushing water circulating water tank is communicated with one side of the flash steam tank 2 through a fourth pipeline 23, and the slag flushing water circulating water tank 21 and the flash steam tank 2 are communicated in a circulating mode through the third pipeline 22 and the fourth pipeline 23.
And the third pipeline 22 and the fourth pipeline 23 are both provided with a slag flushing water pump 24.
Meanwhile, one side of the steam heat accumulator 6 is also communicated with the slag flushing water circulating water tank 21 through a fifth pipeline 25.
Furthermore, an electromagnetic valve 26 is provided on the fifth pipeline 25.
In the specific implementation of the device, the slag water lifting pump, the flash steam tank, the steam collecting tank, the water storage collecting tank and the steam reheating device are assembled and connected.
When carrying out the operation and using, the sediment water inlet tube extracts blast furnace slag flushing water to the flash evaporation steam drum inside through the sediment water elevator pump, can form steam and water in the flash evaporation steam drum, steam is arranged to the inside of steam collecting box through the upper portion air duct, the water is arranged to the inside of water storage collecting tank through the lower part honeycomb duct, the steam rethread second pipeline that enters into in the steam collecting box enters into steam reheating device, and carry out the secondary heating to steam, later also can enter into the steam heat accumulator and store.
The novel flash steam tank, the heating device and the steam heat accumulator are utilized to collect steam generated in the slag flushing process, so that water is saved, and the treatment is simplified; in addition on the one hand, still adopt solar heating device to carry out the secondary heating to steam in this is novel, improve the vaporization degree of steam, need not to intervene other energy resource consumptions moreover, when improving heat utilization rate, reduce steam treatment cost.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (9)
1. The utility model provides a high-efficient collection system of blast furnace slag flushing steam which characterized in that: comprises a slag water lift pump, a flash steam tank, a steam collecting tank, a water storage collecting tank and a steam reheating device; one side of the slag water lifting pump is connected with a slag water inlet pipe, the other side of the slag water lifting pump is communicated with one side of a flash steam tank through a first pipeline, the other side of the flash steam tank is provided with a steam collecting tank and a water storage collecting tank, the upper end of the flash steam tank is communicated with one side of the steam collecting tank through an air guide pipe, the lower end of the flash steam tank is communicated with one side of the water storage collecting tank through a guide pipe, a steam reheating device is arranged on the other side of the steam collecting tank, and the steam collecting tank is communicated with one side of the steam reheating device through a second pipeline; the flash steam tank is characterized in that at least four supporting seats are uniformly distributed on the lower surface of the flash steam tank, a steam collecting cover is arranged at the top of the inner surface of the flash steam tank, an air draft device is arranged on the steam collecting cover, and the steam collecting cover is communicated with a steam collecting box through an air guide pipe.
2. The high-efficiency collecting system for the blast furnace slag flushing steam as recited in claim 1, characterized in that: an exhaust fan is arranged on the air duct.
3. The high-efficiency collecting system for the blast furnace slag flushing steam as recited in claim 1, characterized in that: and a water suction pump is arranged on the flow guide pipe.
4. The high-efficiency collecting system for the blast furnace slag flushing steam as recited in claim 1, characterized in that: the steam reheating device comprises a solar panel and a steam-liquid heat exchanger, the solar panel provides heat for a liquid working medium in the steam-liquid heat exchanger, the steam-liquid heat exchanger is located in the closed shell, and steam is introduced into the closed shell to exchange heat with the steam-liquid heat exchanger so as to carry out secondary heating on the steam.
5. The high-efficiency collecting system for the blast furnace slag flushing steam as claimed in claim 1 or 4, is characterized in that: the outlet end of the steam reheating device is connected with a steam heat accumulator, and a water temperature and water level sensor is arranged in the steam heat accumulator.
6. The high-efficiency collecting system for the blast furnace slag flushing steam as recited in claim 1, characterized in that: flash steam jar one side still is provided with towards sediment hydrologic cycle pond, towards sediment hydrologic cycle pond one side is linked together through third pipeline and flash steam jar bottom, and the opposite side is linked together through fourth pipeline and flash steam jar one side, towards sediment hydrologic cycle pond and flash steam jar form the circulation intercommunication through third pipeline, fourth pipeline.
7. The efficient collection system for the blast furnace slag flushing steam as recited in claim 6, wherein: and the third pipeline and the fourth pipeline are both provided with slag flushing water pumps.
8. The efficient collecting system for the blast furnace slag flushing steam as recited in claim 5, wherein: and one side of the steam heat accumulator is also communicated with the slag flushing water circulating pool through a fifth pipeline.
9. The efficient collecting system for the blast furnace slag flushing steam as recited in claim 8, wherein: and the fifth pipeline is also provided with an electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204540.2U CN211261794U (en) | 2019-12-11 | 2019-12-11 | High-efficient collecting system of blast furnace slag flushing steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204540.2U CN211261794U (en) | 2019-12-11 | 2019-12-11 | High-efficient collecting system of blast furnace slag flushing steam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211261794U true CN211261794U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922204540.2U Active CN211261794U (en) | 2019-12-11 | 2019-12-11 | High-efficient collecting system of blast furnace slag flushing steam |
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| CN (1) | CN211261794U (en) |
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- 2019-12-11 CN CN201922204540.2U patent/CN211261794U/en active Active
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